3v4l.org

run code in 300+ PHP versions simultaneously
<?php $recursive_array = array(); $recursive_array[] = &$recursive_array; $recursive_array2 = array(); $recursive_array2[] = &$recursive_array2; if ($recursive_array == $recursive_array2) { //Fatal error: Nesting level too deep - recursive dependency? echo 'true'; } echo 'false';

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.70.0170.00316.50
8.3.60.0080.00618.38
8.3.50.0120.00721.99
8.3.40.0140.00018.70
8.3.30.0100.00319.13
8.3.20.0050.00320.16
8.3.10.0000.00823.48
8.3.00.0080.00019.51
8.2.180.0110.00816.63
8.2.170.0000.01322.96
8.2.160.0070.01020.39
8.2.150.0070.00024.18
8.2.140.0030.00624.66
8.2.130.0000.00826.16
8.2.120.0040.00422.13
8.2.110.0060.00320.54
8.2.100.0040.00718.03
8.2.90.0000.00719.37
8.2.80.0000.00917.97
8.2.70.0060.00317.63
8.2.60.0000.00818.05
8.2.50.0040.00418.07
8.2.40.0040.00420.00
8.2.30.0000.00718.18
8.2.20.0000.00817.80
8.2.10.0030.00618.09
8.2.00.0060.00317.61
8.1.280.0110.00625.92
8.1.270.0000.00822.14
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0040.00423.79
8.1.230.0080.00318.86
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0000.00817.11
8.1.190.0000.00817.23
8.1.180.0000.00918.10
8.1.170.0050.00318.57
8.1.160.0000.00722.05
8.1.150.0000.00718.75
8.1.140.0050.00317.40
8.1.130.0070.00017.75
8.1.120.0040.00417.53
8.1.110.0080.00017.27
8.1.100.0050.00217.44
8.1.90.0040.00417.46
8.1.80.0000.00817.47
8.1.70.0030.00317.34
8.1.60.0080.00017.47
8.1.50.0040.00417.52
8.1.40.0000.00817.52
8.1.30.0000.00817.62
8.1.20.0000.00717.63
8.1.10.0070.00017.48
8.1.00.0040.00417.45
8.0.300.0030.00618.77
8.0.290.0000.00816.75
8.0.280.0070.00018.32
8.0.270.0070.00017.24
8.0.260.0060.00017.25
8.0.250.0000.00817.09
8.0.240.0040.00417.07
8.0.230.0040.00417.04
8.0.220.0050.00516.99
8.0.210.0030.00316.86
8.0.200.0070.00016.86
8.0.190.0000.00817.05
8.0.180.0000.00816.96
8.0.170.0000.00816.80
8.0.160.0030.00517.02
8.0.150.0000.00716.85
8.0.140.0090.00016.97
8.0.130.0060.00013.38
8.0.120.0000.00716.92
8.0.110.0050.00317.02
8.0.100.0050.00316.94
8.0.90.0000.00816.96
8.0.80.0100.00616.94
8.0.70.0040.00417.02
8.0.60.0030.00316.81
8.0.50.0070.00016.89
8.0.30.0120.00817.07
8.0.20.0120.01117.40
8.0.10.0050.00316.96
8.0.00.0100.01016.72
7.4.330.0040.00015.00
7.4.320.0030.00316.62
7.4.300.0000.00616.60
7.4.290.0000.00716.46
7.4.280.0040.00416.41
7.4.270.0000.00616.56
7.4.260.0000.00716.54
7.4.250.0040.00416.55
7.4.240.0020.00516.61
7.4.230.0030.00616.37
7.4.220.0080.01216.52
7.4.210.0030.01016.68
7.4.200.0020.00516.34
7.4.160.0060.01116.52
7.4.150.0080.01117.40
7.4.140.0070.01417.86
7.4.130.0080.00816.56
7.4.120.0120.00516.40
7.4.110.0030.01516.60
7.4.100.0100.00716.56
7.4.90.0060.01116.59
7.4.80.0070.01019.39
7.4.70.0080.00816.45
7.4.60.0060.01016.50
7.4.50.0030.00616.36
7.4.40.0080.00716.20
7.4.30.0100.01216.48
7.4.00.0030.01015.05
7.3.330.0050.00013.16
7.3.320.0050.00013.19
7.3.310.0030.00316.32
7.3.300.0000.00616.33
7.3.290.0180.00616.27
7.3.280.0130.00516.25
7.3.270.0060.00917.40
7.3.260.0110.00616.58
7.3.250.0140.00616.54
7.3.240.0090.01316.34
7.3.230.0090.00816.39
7.3.210.0130.00316.23
7.3.200.0040.01819.39
7.3.190.0060.01516.35
7.3.180.0060.00916.24
7.3.170.0030.01216.33
7.3.160.0090.01216.36
7.2.330.0110.00716.38
7.2.320.0100.00816.59
7.2.310.0070.01016.72
7.2.300.0110.00516.30
7.2.290.0090.00816.48
7.2.60.0060.00916.98
7.2.00.0030.00719.30
7.1.200.0130.00315.61
7.1.100.0060.01018.03
7.1.70.0000.00816.97
7.1.60.0000.02319.11
7.1.50.0030.00716.79
7.1.00.0070.07322.36
7.0.200.0030.01016.67
7.0.140.0070.07022.00
7.0.60.0130.08319.93
7.0.50.0030.06317.91
7.0.40.0000.04720.12
7.0.30.0200.04720.33
7.0.20.0130.04720.19
7.0.10.0070.06019.99
7.0.00.0030.09020.00
5.6.280.0070.07021.01
5.6.210.0130.08320.54
5.6.200.0100.08318.25
5.6.190.0070.05720.63
5.6.180.0330.03320.39
5.6.170.0300.04320.40
5.6.160.0130.07720.71
5.6.150.0000.04318.20
5.6.140.0130.05318.16
5.6.130.0170.06318.21
5.6.120.0100.06020.92
5.6.110.0100.04321.08
5.6.100.0030.08720.96
5.6.90.0130.07320.93
5.6.80.0030.06720.38
5.5.350.0170.08020.35
5.5.340.0030.07317.91
5.5.330.0130.03320.40
5.5.320.0270.03720.23
5.5.310.0230.05720.26
5.5.300.0070.05017.93
5.5.290.0030.06017.87
5.5.280.0000.09020.84
5.5.270.0100.07320.74
5.5.260.0070.06320.95
5.5.250.0030.08020.45
5.5.240.0330.06320.28
5.4.450.0870.09019.61
5.4.440.1000.05719.47
5.4.430.0700.07019.60
5.4.420.0730.00019.49
5.4.410.0630.00019.37
5.4.400.0670.00019.16
5.4.390.0670.00019.09
5.4.380.0700.00019.08
5.4.370.0600.00019.23
5.4.360.0600.00019.09
5.4.350.0630.00019.00
5.4.340.0060.03711.97
5.4.320.0060.03612.45
5.4.310.0060.03712.45
5.4.300.0050.03512.45
5.4.290.0030.03912.45
5.4.280.0100.03712.34
5.4.270.0070.04512.35
5.4.260.0050.03912.34
5.4.250.0090.03412.35
5.4.240.0060.03512.35
5.4.230.0100.03212.34
5.4.220.0050.03612.34
5.4.210.0050.03612.34
5.4.200.0090.03312.34
5.4.190.0060.03612.34
5.4.180.0050.03812.34
5.4.170.0050.03812.35
5.4.160.0060.03512.34
5.4.150.0050.03612.34
5.4.140.0090.04512.02
5.4.130.0030.03812.01
5.4.120.0060.03611.97
5.4.110.0060.03811.96
5.4.100.0060.03411.96
5.4.90.0040.03911.96
5.4.80.0070.03511.97
5.4.70.0060.03511.96
5.4.60.0050.03511.96
5.4.50.0040.04611.96
5.4.40.0090.04511.95
5.4.30.0060.03611.95
5.4.20.0070.03411.95
5.4.10.0060.03311.95
5.4.00.0060.03511.44
5.3.290.0050.03912.80
5.3.280.0100.03512.71
5.3.270.0070.04712.73
5.3.260.0080.03812.72
5.3.250.0070.03712.72
5.3.240.0060.03812.72
5.3.230.0060.03712.71
5.3.220.0030.04012.68
5.3.210.0100.03712.68
5.3.200.0070.04312.68
5.3.190.0080.03912.68
5.3.180.0090.03212.67
5.3.170.0050.04112.67
5.3.160.0060.03512.67
5.3.150.0050.03812.67
5.3.140.0040.03712.66
5.3.130.0050.04712.66
5.3.120.0080.04012.66
5.3.110.0070.03612.66
5.3.100.0040.04012.12
5.3.90.0050.03512.08
5.3.80.0060.04212.07
5.3.70.0060.04012.08
5.3.60.0030.03812.06
5.3.50.0080.03212.00
5.3.40.0050.03912.00
5.3.30.0080.03211.95
5.3.20.0070.03411.72
5.3.10.0030.03711.69
5.3.00.0060.03611.68
5.2.170.0030.0319.18
5.2.160.0060.0279.18
5.2.150.0060.0309.18
5.2.140.0060.0289.18
5.2.130.0040.0299.14
5.2.120.0030.0299.14
5.2.110.0050.0299.15
5.2.100.0050.0289.14
5.2.90.0050.0319.14
5.2.80.0020.0339.14
5.2.70.0100.0279.14
5.2.60.0080.0339.09
5.2.50.0030.0319.06
5.2.40.0030.0309.04
5.2.30.0070.0339.01
5.2.20.0070.0369.00
5.2.10.0120.0318.92
5.2.00.0090.0368.78
5.1.60.0060.0328.07
5.1.50.0070.0298.06
5.1.40.0020.0268.05
5.1.30.0080.0268.39
5.1.20.0080.0328.41
5.1.10.0060.0258.14
5.1.00.0010.0298.14
5.0.50.0030.0206.62
5.0.40.0030.0196.48
5.0.30.0060.0286.29
5.0.20.0050.0176.26
5.0.10.0030.0196.23
5.0.00.0060.0286.23
4.4.90.0050.0134.78
4.4.80.0050.0134.75
4.4.70.0020.0164.75
4.4.60.0030.0154.75
4.4.50.0030.0154.77
4.4.40.0020.0264.71
4.4.30.0030.0154.76
4.4.20.0030.0154.84
4.4.10.0060.0134.84
4.4.00.0020.0264.76
4.3.110.0020.0164.67
4.3.100.0040.0144.67
4.3.90.0040.0134.63
4.3.80.0030.0244.58
4.3.70.0020.0154.63
4.3.60.0040.0174.63
4.3.50.0020.0164.63
4.3.40.0050.0244.54
4.3.30.0040.0143.28
4.3.20.0020.0163.26
4.3.10.0030.0153.22
4.3.00.0100.0277.26

preferences:
58.98 ms | 401 KiB | 5 Q